What four different methods are frequently used to collect data? 14. True or false? Randomization is...

What four different methods are frequently used to collect data?
14. True or false? Randomization is used to increase bias in a study. ?
15. What are three key elements of a well-designed experiment?
16. What problem can be introduced if confounding variables are present in a study?
17. Why is the validity of an experiment important?
18. What is the purpose of using blinding in a study?
19. You are asked to select a random sample of 10 students from the class. What must be done before anything else to start the process?
20. Identify the sampling technique. As part of a quality assurance program, every seventh car produced on an assembly line is subjected to additional evaluation.
21. Understanding the reasons. Why is simulation sometimes necessary when collecting data?

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orchestra answered 2 years ago

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What four different methods are frequently used to collect data? 14. True or false? Randomization is...

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